Which type of electromagnetic wave has the longest wavelength

Answer

Using the formula of wavelength

From the above expression, we can see that the wavelength is inversely proportional to frequency.

For wavelength to be the longest frequency should be minimum.

Radio wave has the lowest frequency i.e. 10⁴ so, the wavelength of radio-wave will be maximum.

when cloud cover increases then the suns ray's which provides the earth with light and warmth gets covered due to the due to the suns ray's being blocked, the temperature in that region

therefore to conclude i would like to say that,

=more the cloud cover, the lesser the

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